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Alcohol intoxicated eyewitnesses´ delayed recall of a kidnapping.

Poster (konferens)
Författare Angelica Hagsand
Emma Roos Af Hjelmsäter
Pär-Anders Granhag
Claudia Fahlke
Anna Söderpalm Gordh
Publicerad i Poster presented at the European Association of Psychology and Law, 5th of September 2013, Coventry, UK.
Publiceringsår 2013
Publicerad vid Institutionen för neurovetenskap och fysiologi, sektionen för psykiatri och neurokemi
Psykologiska institutionen
Språk en
Ämnesord Alcohol, eyewitness memory, recall, delayed interview, intoxicated witnesses
Ämneskategorier Kognitionsforskning, Tillämpad psykologi, Psykologi

Sammanfattning

This study investigated how different doses of alcohol affected eyewitness recall. Participants (N = 126) were randomly assigned to three groups with different blood alcohol concentration (BAC), either a control group (mean BAC 0.00%, N = 42), a lower alcohol dose group (mean BAC 0.04%, N = 40), or a higher alcohol dose group (mean BAC 0.06%, N = 44). After consumption in a laboratory, participants witnessed a film of a mock crime where a woman was kidnapped by two men. One week after, the witnesses were interviewed in a sober state, by interviewers who were blind to which beverage the witnesses had consumed the week before. The main results showed that witnesses with the higher intoxication level recalled fewer details compared to witnesses with the lower intoxication level. The amount of alcohol consumed did not have an impact on the accuracy rate. No sex differences were found. We conclude that more studies are needed before recommendations can be made to an applied setting, but this study showed that alcohol may have a negative impact on eyewitness recall.

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